Pa. Man Allegedly Shot Father with Gun Purchased the Day Before Decapitation

Justin Mohn, 32, faces charges of first-degree murder, abuse of a corpse and possession of an instrument of crime

The Pennsylvania man accused of decapitating his father and displaying the severed head in a disturbing video posted on YouTube — and later removed — allegedly also shot his father with a gun he bought the previous day, according to authorities.

Bucks County District Attorney Jen Schorn said at a Friday press conference that Justin Mohn allegedly bought a 9mm handgun on Monday, just one day before the killing at the Levittown home he shared with his parents.

Mohn, 32, was arrested by the Middletown Township Police Department on Tuesday and charged with first-degree murder, abuse of a corpse and possession of an instrument of crime, according to a criminal complaint reviewed by PEOPLE. It’s unclear if he has entered a plea or retained an attorney to speak on his behalf.

Related: Pa. Man Arrested After Allegedly Decapitating His Father, Displaying the Head on YouTube, Police Say

Officers were called to the home around 7 p.m. Tuesday after a woman reported that she found her husband dead. "When officers arrived, they located the male deceased in the bathroom," the DA's office said.

According to the criminal complaint, the victim — identified as Michael Mohn — "had been decapitated.” Authorities said they found a machete in the bathtub and a large kitchen knife. They also found rubber gloves "with what appeared to be blood on them" in another part of the house,” the complaint states.

After the killing, the suspect posted a 14-minute video to YouTube in which he picks up the decapitated head of Michael Mohn, identifying him by name and as his father, stating 'he is now in hell for eternity,’” according to the complaint. Authorities added that "Justin is pictured wearing the same style clear rubber gloves observed at the crime scene.”

According to both the Bucks County Courier Times and NBC News, Mohn claimed in the video that his father had been a federal employee for 20 years and described him as a “traitor.”

District Attorney Jen Schorn told reporters that Mohn also expressed hostility to government workers and called for the death of all federal officials. She said that investigators believe Mohn was of “clear mind” at the time of the alleged murder.

In a statement previously shared with PEOPLE, a spokesperson for YouTube said it "has strict policies prohibiting graphic violence and violent extremism," and that the video — which was uploaded and not live-streamed — "was removed for violating our graphic violence policy.” His channel had also been removed.

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Schorn said police tracked Mohn after he left the home in his father's vehicle with cell phone pings. He was eventually arrested at around 11:30 p.m. that day at the Pennsylvania National Guard at Fort Indiantown Gap. According to Schorn, Mohn trespassed into the facility with a 9mm loaded gun but was taken into custody without incident.

Mohn was denied bail, according to a court docket, and remains in jail as he awaits a preliminary hearing scheduled for Feb. 8.

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